The Short Answer Both 2cm and 3cm quartz are the same material — same hardness, same stain resistance, same warranty. The difference is thickness: 2cm is about 3/4 inch, 3cm is about 1-1/4 inch. Everything else is detail. Here it is. 2cm vs 3cm Quartz: Side-by-Side Comparison 2cm (≈ 3/4″) 3cm (≈ 1-1/4″) Material & […]